1. Upright minitype base 2: long-life LED light source;
2. Supply 3 illumination system: bright field, dark field and top light;
3. Convenient to controlled the bright field and dark field by electronic switch;
4. Humanized design, both sides with gem clamp mounting hole;
5. Double power supply system, built-in 3x AA batteries or external DC power source;
6. World-wide voltage: 100V--240V;
7. Equip F19 microscope head: wide field of view, imaging clearly;
8. 180° rotate objective lens, 10-30X or 20-40X, two times magnifying;
9. Working distance: 56mm;
10. Adjustable diopter WF10/16mm eyepiece.
http://www.szfable.com/Products_show.asp?id=526&p_id=12&p_name=